20409983280

素因数分解:

$2^4\times 3^2\times 5^1\times {\mathrm{59}}^1\times {\mathrm{480461}}^1$

素因数の和:480539

約数の個数: 120

約数和(自身を含む): 69705426960

約数和(自身を除く): 49295443680

約数列:

[1, 2, 3, 4, 5, 6, 8, 9, 10, 12, 15, 16, 18, 20, 24, 30, 36, 40, 45, 48, 59, 60, 72, 80, 90, 118, 120, 144, 177, 180, 236, 240, 295, 354, 360, 472, 531, 590, 708, 720, 885, 944, 1062, 1180, 1416, 1770, 2124, 2360, 2655, 2832, 3540, 4248, 4720, 5310, 7080, 8496, 10620, 14160, 21240, 42480, 480461, 960922, 1441383, 1921844, 2402305, 2882766, 3843688, 4324149, 4804610, 5765532, 7206915, 7687376, 8648298, 9609220, 11531064, 14413830, 17296596, 19218440, 21620745, 23062128, 28347199, 28827660, 34593192, 38436880, 43241490, 56694398, 57655320, 69186384, 85041597, 86482980, 113388796, 115310640, 141735995, 170083194, 172965960, 226777592, 255124791, 283471990, 340166388, 345931920, 425207985, 453555184, 510249582, 566943980, 680332776, 850415970, 1020499164, 1133887960, 1275623955, 1360665552, 1700831940, 2040998328, 2267775920, 2551247910, 3401663880, 4081996656, 5102495820, 6803327760, 10204991640, 20409983280]

約数ペア:

[(1, 20409983280), (2, 10204991640), (3, 6803327760), (4, 5102495820), (5, 4081996656), (6, 3401663880), (8, 2551247910), (9, 2267775920), (10, 2040998328), (12, 1700831940), (15, 1360665552), (16, 1275623955), (18, 1133887960), (20, 1020499164), (24, 850415970), (30, 680332776), (36, 566943980), (40, 510249582), (45, 453555184), (48, 425207985), (59, 345931920), (60, 340166388), (72, 283471990), (80, 255124791), (90, 226777592), (118, 172965960), (120, 170083194), (144, 141735995), (177, 115310640), (180, 113388796), (236, 86482980), (240, 85041597), (295, 69186384), (354, 57655320), (360, 56694398), (472, 43241490), (531, 38436880), (590, 34593192), (708, 28827660), (720, 28347199), (885, 23062128), (944, 21620745), (1062, 19218440), (1180, 17296596), (1416, 14413830), (1770, 11531064), (2124, 9609220), (2360, 8648298), (2655, 7687376), (2832, 7206915), (3540, 5765532), (4248, 4804610), (4720, 4324149), (5310, 3843688), (7080, 2882766), (8496, 2402305), (10620, 1921844), (14160, 1441383), (21240, 960922), (42480, 480461)]